单词 | carborundum |
释义 | carborundum/ˌkɑːbəˈrʌndəm /noun [mass noun] trademark A very hard black solid consisting of silicon carbide, used as an abrasive.A compound known as silicon carbide, also known as carborundum, is one of the hardest substances known....
OriginLate 19th century (originally US, as a trademark): blend of carbon and corundum. |
随便看 |
|
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。